On a Cercopithifilaria sp. transmitted by Rhipicephalus sanguineus: a neglected, but widespread filarioid of dogs

Otranto, Domenico; Brianti, Emanuele; Latrofa, Maria Stefanía; Annoscia, Giada; Weigl, Stefania; Lia, Riccardo Paolo; Gaglio, Gabriella; Napoli, Ettore; Giannetto, S.; Papadopoulos, Elias; Mirò, Guadalupe; Dantas‐Torres, Filipe; Bain, O.

doi:10.1186/1756-3305-5-1

Cited by 268 publications

(283 citation statements)

References 29 publications

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“…C. bainae has been found in dogs and ticks from Italy, Spain and Greece [2,15], in one dog from Romania [11] and also in ticks from Portugal [16]; M.S. Latrofa, F. Dantas-Torres, A. Giannelli and D. Otranto, personal communication.…”

Section: Resultsmentioning

confidence: 99%

Diversity of Cercopithifilaria species in dogs from Portugal

et al. 2014

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BackgroundFilarioids belonging to the genus Cercopithifilaria (Spirurida: Onchocercidae) have been described in dogs in association with Rhipicephalus sanguineus group ticks, which act as their biological vectors. This study represents the first investigation on Cercopithifilaria spp. in dogs from Portugal.FindingsDogs (n = 102) from the Algarve region (south of Portugal) were sampled by skin snip collection and tissues were left to soak overnight in saline solution. Sediments were observed under a light microscope and the detected microfilariae identified according to their morphology. Twenty-four dogs (23.5%) were found infected with at least one species of Cercopithifilaria, namely C. bainae (9.8%), C. grassii (3.9%) and Cercopithifilaria sp. II sensu Otranto et al., 2013 (13.7%). Results were confirmed by molecular amplification of partial cytochrome c oxidase subunit I and 12S rRNA genes and sequence analysis. Co-infections with more than one Cercopithifilaria species were detected in 3.9% of the animals.ConclusionsThis is the first report of Cercopithifilaria spp. in dogs from Portugal. The estimated level of infection with C. bainae, C. grassii and Cercopithifilaria sp. II suggests that these filarioids are prevalent in the canine population of southern Portugal.

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Section: Resultsmentioning

confidence: 99%

Diversity of Cercopithifilaria species in dogs from Portugal

et al. 2014

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“…Many Anopheles species are morphologically indistinguishable and form cryptic species complexes, which require a molecular approach as the only effective tool for resolving their identification (Foster et al 2013). The DNA barcode approach has been successfully used in corroborating lineages within the Anopheles albitarsis complex (Ruiz-Lopez et al 2012). In the present study, difficulties in resolving species among the sequences of the subgenus Anopheles (Nyssorhynchus) were expected.…”

Section: Discussionmentioning

confidence: 99%

Mosquito species (Diptera, Culicidae) in three ecosystems from the Colombian Andes: identification through DNA barcoding and adult morphology

Rozo-Lopez¹,

Mengual²

2015

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Colombia, one of the world’s megadiverse countries, has a highly diverse mosquito fauna and a high prevalence of mosquito-borne diseases. In order to provide relevant information about the diversity and taxonomy of mosquito species in Colombia and to test the usefulness of DNA barcodes, mosquito species collected at different elevations in the departments of Antioquia and Caldas were identified combining adult morphology and barcode sequences. A total of 22 mosquito species from eight genera were identified using these combined techniques. We generated 77 barcode sequences with 16 species submitted as new country records for public databases. We examined the usefulness of DNA barcodes to discriminate mosquito species from the Neotropics by compiling 1,292 sequences from a total of 133 species and using the tree-based methods of neighbor-joining and maximum likelihood. Both methodologies provided similar results by resolving 105 species of mosquitoes separated into distinct clusters. This study shows the importance of combining classic morphological methodologies with molecular tools to accurately identify mosquitoes from Colombia.

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“…2011; Nursyazana et al . 2013), it is additionally important to understand the potential risk factors structuring these communities (Mohd Zain et al . 2012; Simões et al .…”

Section: Introductionmentioning

confidence: 99%

The helminth community of a population ofRattus norvegicusfrom an urban Brazilian slum and the threat of zoonotic diseases

et al. 2017

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Urban slums provide suitable conditions for infestation by rats, which harbour and shed a wide diversity of zoonotic pathogens including helminths. We aimed to identify risk factors associated with the probability and intensity of infection of helminths of the digestive tract in an urban slum population of Rattus norvegicus. Among 299 rats, eleven species/groups of helminths were identified, of which Strongyloides sp., Nippostrongylus brasiliensis and, the human pathogen, Angiostrongylus cantonensis were the most frequent (97, 41 and 39%, respectively). Sex interactions highlighted behavioural differences between males and females, as eg males were more likely to be infected with N. brasiliensis where rat signs were present, and males presented more intense infections of Strongyloides sp. Moreover, rats in poor body condition had higher intensities of N. brasiliensis. We describe a high global richness of parasites in R. norvegicus, including five species known to cause disease in humans. Among these, A. cantonensis was found in high prevalence and it was ubiquitous in the study area – knowledge which is of public health importance. A variety of environmental, demographic and body condition variables were associated with helminth species infection of rats, suggesting a comparable variety of risk factors for humans.

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On a Cercopithifilaria sp. transmitted by Rhipicephalus sanguineus: a neglected, but widespread filarioid of dogs

Cited by 268 publications

References 29 publications

Diversity of Cercopithifilaria species in dogs from Portugal

Diversity of Cercopithifilaria species in dogs from Portugal

Mosquito species (Diptera, Culicidae) in three ecosystems from the Colombian Andes: identification through DNA barcoding and adult morphology

The helminth community of a population ofRattus norvegicusfrom an urban Brazilian slum and the threat of zoonotic diseases

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